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19932026
most citedPrediction and observation of the first antiferromagnetic topological insulator

1.2k citations

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95 papers · 1 filter

quant-ph2025

Coherent states of an accelerated particle

A. I. Breev, D. M. Gitman, Paulo A. Derolle

We construct generalized coherent states (GCS) of a massive accelerated particle. This example is an important step in studying coherent states (CS) for systems with an unbounded m…

quant-ph2024★ 3 cited

Radiation from Dirac fermions caused by a projective measurement

P. O. Kazinski, V. A. Ryakin, P. S. Shevchenko

The theory of radiation of photons from Dirac particles caused by a projective measurement is developed. The explicit expressions for the inclusive probability to record a chain of…

quant-ph2023

Electromagnetic radiation of accelerated charged particle in the framework of a semiclassical approach

T. C. Adorno, A. I. Breev, A. J. D. Farias +1

We address the problem of the electromagnetic radiation produced by charge distributions in the framework of a semiclassical approach proposed in the work by Bagrov, Gitman, Shishm…

quant-ph2023★ 5 cited

Coulomb problem for classical spinning particle

Dmitry S. Kaparulin, Nikita A. Sinelnikov

We consider a motion of a weakly relativistic charged particle with an arbitrary spin in central potential in terms of classical mechanics. We show that the spin-orbital inte…

quant-ph2021★ 4 cited

Why and whence the Hilbert space in quantum theory?

Yu. V. Brezhnev

We explain why and how the Hilbert space comes about in quantum theory. The axiomatic structures of vector space, of scalar product, of orthogonality, and of the linear functional…

quant-ph2021★ 18 cited

Dead time duration and active reset influence on the afterpulse probability of InGaAs/InP single-photon avalanche diodes

A. V. Losev, V. V. Zavodilenko, A. A. Koziy +4

We have performed a detailed study of the dependence of afterpulse probability in InGaAs/InP sine-gated SPAD on the dead time and the existing approach for its implementation. We d…

quant-ph2021★ 9 cited

Smith-Purcell radiation of a vortex electron

Andrey Pupasov-Maksimov, Dmitry Karlovets

We study Smith-Purcell radiation from a conducting grating generated by a vortex electron with an orbital angular momentum , described as a generalized Laguerre-Gaussia…

quant-ph2020

Vortex particles in axially symmetric fields and applications of the quantum Busch theorem

Dmitry Karlovets

The possibilities to accelerate vortex electrons with orbital angular momentum (OAM) to relativistic energies and to produce vortex ions, protons, and other charged particles cruci…

quant-ph2020★ 3 cited

Applicability of the absence of equilibrium in quantum system fully coupled to several fermionic and bosonic heat baths

V. V. Sargsyan, A. A. Hovhannisyan, G. G. Adamian +2

The time evolution of occupation number is studied for fermionic or bosonic oscillator linearly fully coupled to several fermionic and bosonic heat baths. The influence of characte…

quant-ph2020

Saturation of Energy Levels of the Hydrogen Atom in Strong Magnetic Field

T. C. Adorno, D. M. Gitman, A. E. Shabad

We demonstrate that the finiteness of the limiting values of the lower energy levels of a hydrogen atom under an unrestricted growth of the magnetic field, into which this atom is…

quant-ph2020★ 14 cited

Transition radiation from a Dirac particle wave packet traversing a mirror

P. O. Kazinski, G. Yu. Lazarenko

The explicit expression for the inclusive probability to record a photon created in transition radiation from a one Dirac particle wave packet traversing an ideally conducting plat…

quant-ph2020★ 5 cited

Non-Markovian modeling of Fermi-Bose systems coupled to one or several Fermi-Bose thermal baths

Denis Lacroix, V. V. Sargsyan, G. G. Adamian +2

A method is proposed to describe Fermi or Bose systems coupled to one or several heat baths composed of fermions and/or bosons. The method, called Coupled Equations of Motion metho…

quant-ph2020★ 28 cited

Non-linear quantum effects in electromagnetic radiation of a vortex electron

D. V. Karlovets, A. M. Pupasov-Maksimov

There is a controversy of how to interpret interactions of electrons with a large spatial coherence with light and matter. When such an electron emits a photon, it can do so either…

quant-ph2020★ 14 cited

Differential Parametric Formalism for the Evolution of Gaussian States: Nonunitary Evolution and Invariant States

Julio A. López-Saldívar, Margarita A. Man'ko, Vladimir I. Man'ko

In a differential approach elaborated, we study the evolution of the parameters of Gaussian, mixed, continuous variable density matrices, whose dynamics are given by Hermitian Hami…

quant-ph2020

Probability representation of photon states and tomography

Vladimir N. Chernega, Olga V. Man'ko, Vladimir I. Man'ko

We give a review of the tomographic probability representation of quantum mechanics. We present the formalism of quantum states and quantum observables using the formalism of stand…

quant-ph2019★ 18 cited

Dynamics of a harmonic oscillator coupled with a Glauber amplifier

R. Grimaudo, V. I. Man'ko, M. A. Man'ko +1

A system of a quantum harmonic oscillator bi-linearly coupled with a Glauber amplifier is analysed considering a time-dependent Hamiltonian model. The Hilbert space of this system…

quant-ph2019★ 9 cited

A New Mechanism of Open System Evolution and Its Entropy Using Unitary Transformations in Noncomposite Qudit Systems

Julio A. López-Saldívar, Octavio Castaños, Margarita A. Man'ko +1

The evolution of an open system is usually associated with the interaction of the system with an environment. A new method to study the open-type system evolution of a qubit (two-l…

quant-ph2019★ 8 cited

Qubit representation of qudit states: correlations and state reconstruction

Julio A. López-Saldívar, Octavio Castaños, Margarita A. Man'ko +1

A method to establish a qubit decomposition of a general qudit state is presented. This new representation allows a geometrical depiction of any qudit state in the Bloch sphere. Ad…

quant-ph2019★ 4 cited

The Born rule

Yurii V. Brezhnev

We deduce the Born rule. No use is required of quantum postulates. One exploits only rudimentary quantum mathematics--a linear, not Hilbert', vector space--and empirical notion of…

quant-ph2019★ 23 cited

Exact solutions of the sextic oscillator from the bi-confluent Heun equation

G. Lévai, A. M. Ishkhanyan

The sextic oscillator is discussed as a potential obtained from the bi-confluent Heun equation after a suitable variable transformation. Following earlier results, the solutions of…

quant-ph2019★ 4 cited

WKB-approach for the 1D hydrogen atom

A. M. Ishkhanyan, V. P. Krainov

Taking into account results of WKB-approximation, we derive exact quantum energies and wave functions of even and odd states in the one-dimensional Coulomb potential

quant-ph2019

Uncertainty relation for the radial momentum and radial coordinate in the Coulomb potential

A. M. Ishkhanyan, V. P. Krainov

We have obtained the uncertainty relations for arbitrary states of the hydrogen atom. It is shown that the minimal value of the uncertainty relation is attained for the circular Ry…

quant-ph2019★ 11 cited

Dynamical enhancement of nonparaxial effects in the electromagnetic field of a vortex electron

Dmitry Karlovets

A quantum state of an electron influences its electromagnetic field. If a spatial profile of the electron wave packet is not Gaussian, the particle may acquire additional intrinsic…

quant-ph2019★ 4 cited

Open quantum system in external magnetic field within non-Markovian quantum Langevin approach

I. B. Abdurakhmanov, Z. Kanokov, G. G. Adamian +1

The non-Markovian dynamics of a charged particle linearly coupled to a neutral bosonic heat bath is investigated in an external uniform magnetic field. The analytical expressions f…